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Because the receptor gene is expressed in several forms, it has many different (pleiotropic) effects in different parts of the body. When glucocorticoids bind to GR, its primary mechanism of action is the regulation of gene transcription. [5] [6] The unbound receptor resides in the cytosol of the cell. After the receptor is bound to ...
Cortisol is a steroid hormone in the glucocorticoid class of hormones and a stress hormone.When used as medication, it is known as hydrocortisone.. It is produced in many animals, mainly by the zona fasciculata of the adrenal cortex in an adrenal gland. [1]
26423 Ensembl ENSG00000136931 ENSMUSG00000026751 UniProt Q13285 P33242 RefSeq (mRNA) NM_004959 NM_139051 NM_001316687 RefSeq (protein) NP_004950 NP_004950.2 NP_001303616 NP_620639 Location (UCSC) Chr 9: 124.48 – 124.51 Mb Chr 2: 38.58 – 38.6 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse The steroidogenic factor 1 (SF-1) protein is a transcription factor involved in sex ...
Dexamethasone is based on the cortisol structure but differs at three positions (extra double bond in the A-ring between carbons 1 and 2 and addition of a 9-α-fluoro group and a 16-α-methyl substituent). A variety of synthetic glucocorticoids, some far more potent than cortisol, have been created for therapeutic use.
corepressor – a protein that works with transcription factors to decrease the rate of gene transcription In molecular biology and genetics , transcriptional regulation is the means by which a cell regulates the conversion of DNA to RNA ( transcription ), thereby orchestrating gene activity .
The mineralocorticoid receptor (or MR, MLR, MCR), also known as the aldosterone receptor or nuclear receptor subfamily 3, group C, member 2, (NR3C2) is a protein that in humans is encoded by the NR3C2 gene that is located on chromosome 4q31.1-31.2. [5] MR is a receptor with equal affinity for mineralocorticoids and glucocorticoids.
3β-Hydroxysteroid dehydrogenase/Δ 5-4 isomerase (3β-HSD) (EC 1.1.1.145) is an enzyme that catalyzes the biosynthesis of the steroid progesterone from pregnenolone, 17α-hydroxyprogesterone from 17α-hydroxypregnenolone, and androstenedione from dehydroepiandrosterone (DHEA) in the adrenal gland.
In addition, the encoded protein can catalyze the reverse reaction, the conversion of cortisone to cortisol. Too much cortisol can lead to central obesity, and a particular variation in this gene has been associated with obesity and insulin resistance in children. Two transcript variants encoding the same protein have been found for this gene.